Product Description

HP Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake! Whether you have a stock engine, crate or custom-built engine, HP Multi-Port systems can help you maximize performance! By utilizing a laptop (or the optional 5.7” full color touch screen LCD) along with the HP’s self-tuning capabilities, the HP Multi-Port EFI system will get you to the cruise or race in no time. HP Multi-Port systems include: intake manifold, billet throttle body, ECU, wiring harness, fuel rails, and related small parts. Fuel pump and injectors are available separately to fit your requirements.

ECU is fully potted and can be mounted in the engine compartment or interior

Sealed automotive and marine grade connectors

Allows for use of common OEM sensors as well as customer sensor calibration input

Ignition Plug and Play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic and hall effect trigger, and other ignition systems. New Plug and Play applications in process. Custom settings can be configured to allow many other applications

1-5 Bar MAP sensor capability

Two channel knock control sensor Inputs for both one or two wire knock sensors

Dedicated fuel and oil pressure inputs

Controls both stepper and PWM Idle Air Control (IAC) motors

Speed density, Alpha-N, or combination fueling strategies

4 Programmable high or low Pulse Width Modulated (PWM) outputs and 4 fully configurable inputs can be configured for use

4 Stage nitrous oxide control

Fully featured nitrous control eliminates the need for a separate nitrous controller device

Can be configured “Wet” or “Dry” with closed loop feedback

Progressive control based on time, RPM, or boost, requires part # 554-111

Lean or rich safety cutoff

Full timing retard/control configurability per stage based on RPM or time

Integrated Water/Methanol injection control

Uses Holley Water/Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water/Meth flow as a percentage o

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Unless explicitly stated otherwise, all products sold by KTeller are designated Race Only and are solely for competition/off road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off- road use, may be in violation of local, state, and Federal laws. KTeller or any of their affiliates do not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.